News and articles from Topstar

Short shots, flash, weld lines, and inconsistent part weight—these are symptoms, not the root causes. At the heart of many recurring defects lies the relationship between flow and pressure in the injection molding process. First, we must understand the core facts. First, polymer melts behave differently from water; their viscosity is highly dependent on temperature… Continue reading Troubleshooting Short Shots: Flow and Pressure in the Injection Molding Process

Hydraulic line leaks are one of the most common and devastating field failures in plastic injection molding machine. A small leak can quickly escalate into a slippery and dangerous situation. A persistent leak can reduce press performance, contaminate parts, and force the late shift production line to shut down. Leaks typically manifest as visible oil… Continue reading How to detect and repair hydraulic line leaks in plastic injection molding machine?

When purchasing a mold temperature controller, consider that an improperly sized controller can lead to poor thermal stability, extended cycle times, scrapped parts, and increased repairs. Therefore, a properly specified unit can reduce cycle times through precise thermal control, improve dimensional stability, and save energy through efficient pumps and heaters. Regional factors also play a… Continue reading The Complete Buyer’s Guide to Mold Temperature Controller Specifications and Sizing

When selecting an injection molding machine for your injection molding plant, focus on energy consumption and efficiency. The energy efficiency of injection molding machines directly impacts your overall production costs and operational sustainability. Key features that influence an injection molding machine’s energy consumption and efficiency include its design, drive system, cycle time, and maintenance practices.… Continue reading How to compare injection molding machines based on energy consumption and efficiency?

Reducing production costs in plastic molding requires optimizing every aspect of the injection molding process. Efficient molding systems, focusing on precise, fast, and energy-efficient operation, can significantly reduce waste, energy consumption, and labor costs, while also improving the consistency and quality of finished products. Adopting energy-efficient molding technologies can streamline production processes, increase output, and… Continue reading How to reduce production costs through efficient plastic molding technology?

Achieving consistent injection molding cycle times hinges on translating every variable that influences the cycle—melt quality, cavity filling and packing, thermal conditions, mechanical motion, and material feed—into standardized, measurable, and controllable actions. When you replace manual adjustments and guesswork with closed-loop control, adaptive setpoints, and integrated monitoring, cycle-to-cycle variability decreases and production becomes predictable. Crucially,… Continue reading How to reduce cycle time fluctuations through injection molding control strategies?

For the automotive parts injection molding of thick-walled PMMA headlights in automotive components, Topstar utilizes a direct injection molding machine equipped with a patented center-clamping mechanism. Specifically, this method enables two-shot moulding of 35 mm thick headlight lenses, significantly improving product quality and optical performance while reducing cycle time. The direct injection molding machine systematically… Continue reading Special solution for automotive parts injection molding of PMMA thick-walled headlights

In optical component injection molding, gloss is more than just a cosmetic concern. It is directly related to surface finish, light transmittance, stray reflections, and the perceived quality of automotive, medical, and consumer optical parts. Therefore, gloss must be considered as a holistic process in production, with material, melt state, mold surface, machine precision, and… Continue reading How to achieve better surface gloss in optical component injection molding?

How can linear robots improve cycle yield in thin-wall injection molding? From a production management perspective, synchronization, precision, and a carefully designed weight-to-strength ratio are essential. Topstar’s EU Series AC Servo Injection Robots feature integrated vibration suppression, making them particularly suitable for molding thin-walled products susceptible to mold release disturbances. They can also directly receive… Continue reading How can linear robots increase cycle output in thin-wall injection molding?

Before making a purchase decision, buyers need transparent, detailed, and contextualized cost information, and receiving a quote is only the most fundamental part. During pre-purchase discussions with customers, we meticulously analyze the costs involved. The customer’s team expects a clear understanding of equipment pricing, shipping, installation, commissioning, consumables, spare parts, warranty coverage, maintenance, energy consumption,… Continue reading What relevant cost details should the injection molding machine manufacturer inform in advance?

In 2025, injection molding will be an intelligent, data-driven manufacturing technology that combines sensors, algorithms, and proven electric drives to achieve scalable, repeatable quality. Topstar’s independently developed all electric injection molding machine controller has moved from the lab to customer production lines. Through deep process optimization driven by proprietary algorithms, we have observed significant improvements… Continue reading Injection Molding Trends in 2025: AI and Smart Production Workflows

In the field of industrial automation control, especially in injection molding, traditional mold temperature control systems can lag behind command response, resulting in oscillation, slow settling, or steady-state errors. These hysteresis and delay are not abstract interference factors; they are key drivers of scrap, longer cycle settling times, and unpredictable dimensional variations. Traditional PID loops… Continue reading Why choose to use intelligent mold temperature controller?